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7588801 |
Chromium-free rust inhibitive treatment method for metal products having zinc surface and metal products treated thereby
Provided is a chromium-free surface treatment method which imparts practical rust inhibitive performance to a metal product having a zinc surface to which it was difficult to impart rust inhibitive...
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7585379 |
Surface treatment method for carbon steel screws embedded within anticorrosive wood, the associated surface structure and baking finishing formula
A baking finishing formula comprise metallic zinc, metallic nickel, metallic aluminum, polyethylene glycol, a silane, fluoride-containing surfactants, corrosion inhibitors and a mixed-type additive.
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7537663 |
Corrosion-inhibiting coating
A corrosion-inhibiting coating, process, and system that provides a tight, adherent zinc- or zinc-alloy coating that is directly deposited onto steel or cast iron surfaces for enhanced corrosion...
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7531051 |
Treating solution for metal surface treatment and a method for surface treatment
The present invention is the method for surface treatment of a metal material containing iron and/or zinc, containing component (A) and component (B); where
(A) is a compound containing at least...
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7524383 |
Method and system for passivating a processing chamber
A method and system for passivating a processing chamber is provided, whereby the processing chamber is exposed to one or more cycles of citric acid, or nitric acid. The processing chamber is...
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7510612 |
Chemical conversion coating agent and surface-treated metal
The present invention disclosure provides a chemical conversion coating agent which places a less burden on the environment and can apply good chemical conversion treatment to all metals such as...
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7452428 |
Method for coating metal substrates with a radically polymerizable coating agent and coated substrates
The invention relates to a method and coating agents used in the method which provide good adherence to and good corrosion protection of metal substrates; the coating coating agents are...
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7452427 |
Corrosion resistant conversion coatings
A conversion coating composition for coating a metal substrate is provided which imparts corrosion resistance to the underlying metal substrate. The conversion coating composition comprises an...
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7422642 |
Method for preparing chemical adsorption film and solution for preparing chemical adsorption film used in the method
To provide a method which allows the combination of rapid formation of a chemical adsorption film with the preparation of the film which is reduced in the content of impurities and having a dense...
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7402214 |
Conversion coatings including alkaline earth metal fluoride complexes
An aqueous composition for pretreating and depositing a coating on metal substrates is provided. The coating composition includes from about 1,500 to about 55,000 ppm based on the aqueous...
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RE40406 |
Process for coating and/or touching up coatings on metallic surfaces
A composition and method for coating and touching up a metal surface is provided. The composition contains from about 0.5 to about 240 millimoles per kilogram of a fluorometallate ion, from about...
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7381281 |
Surface treatment method of metal member, and metal goods
A method of surface-treating a metal member involves heating, or heating under pressure, the metal member in an aqueous alkaline solution having a pH of 9 or more and containing a manganese...
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7344607 |
Non-chromate conversion coating treatment for metals
Chromate-free treatments and compositions, for applying a conversion or passivation coating to zinc coated metal surfaces. The compositions comprise a polyamidoamine/epihalohydrin polymer or...
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7294211 |
Non-toxic corrosion-protection conversion coats based on cobalt
Conversion coatings based on cobalt are described for substrate metals such as aluminum, zinc, magnesium, titanium, cadmium, silver, copper, tin, lead, cobalt, zirconium, beryllium, or indium,...
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7294210 |
Use of substituted hydroxylamines in metal phosphating processes
Alkyl-substituted hydroxylamines are useful as aids in the phosphating of metal substrates. In particular, the rate of phosphating and the rate at which manganese compounds are dissolved into...
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7232528 |
Surface treatment agent for copper and copper alloy
The surface treatment agent for copper and copper alloys contains hydrogen peroxide, a mineral acid, an azole compound, silver ion and a halide ion. The surface treatment agent for copper and...
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7232478 |
Adhesion promotion in printed circuit boards
An adhesion promotion process and composition for enhancing adhesion between a copper conducting layer and a dielectric material during manufacture of a printed circuit board. The composition...
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7208054 |
Concentrated solution for preparing a surface conditioner, surface conditioner and method of surface conditioning
A concentrated solution (liquid concentrate) for preparing a surface conditioner, a surface conditioner (a treatment solution for preparing a surface), which have the excellent stability of...
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7208053 |
Method for applying a phosphate covering and use of metal parts thus phospated
Metallic surfaces are coated with an aqueous, acidic phosphate solution containing 10 to 60 g/l zinc, 0.5 to 40 g/l manganese, 50 to 300 g/l phosphate ions calculated as P 2 O 5 , and optionally...
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7204871 |
Metal plating process
A process for forming a coating on a metal substrate includes contacting the substrate with a molybdate solution having a pH of between 3.5 and 5 inclusive containing an acid with the proviso that...
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7135075 |
Corrosion resistant coating with self-healing characteristics
An aqueous solution for depositing an inorganic corrosion resistant coating on a metal substrate is disclosed. The aqueous solution comprises a film-forming agent, a supplemental anion, and a...
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7045024 |
Ferrate conversion coatings for metal substrates
A method employing oxide film conversion coatings prepared using ferrate (VI) as the oxidizing agent is disclosed. Metal substrates or surfaces, such as aluminum, aluminum alloys or other metals,...
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7037384 |
Lubricating chemical coating for metalworking
A composition for treating the surface of a ferrous metal. The composition comprises aluminum sulfate, boric acid or a boric acid precursor, and polycarboxylic acid or salt thereof. Treatment of...
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7018486 |
Corrosion resistant trivalent chromium phosphated chemical conversion coatings
An acidic aqueous solution containing a water soluble trivalent chromium compound is provided with a additive for improving corrosion resistance and reducing precipitation of trivalent chromium...
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7005056 |
Method for inhibiting corrosion of alloys employing electrochemistry
A method for inhibiting corrosion, e.g., pitting corrosion, of alloys is provided. Particularly, the method comprises contacting at least a portion of a surface of the alloy with an aqueous...
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6991688 |
Method for oxalating the galvanized surface of sheet metal
A method for forming a zinc oxalate coating on the surface of a strip or sheet of metal covered with a zinc or zinc alloy coating other than zinc/iron coatings, with the aid of an aqueous solution...
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6916546 |
Method for the production of dark protective layers on flat objects made from titanium zinc
The invention relates to the production of protective coatings with a dark color by pickling rolled flat objects, made from titanium zinc, for use in construction. The flat objects are pickled in...
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6899956 |
Metal coloring process and solutions therefor
This invention includes improvements to a method for forming a chemical conversion coating on ferrous metal substrates, to the chemical solutions used in the coating and to the articles coated...
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6899769 |
Composition and method for metal coloring process
This invention is a method for forming a chemical conversion coating on ferrous metal substrates, the chemical solutions used in the coating and the articles coated thereby. By modifying and...
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6881279 |
High performance non-chrome pretreatment for can-end stock aluminum
A chemically and thermally stable chromate free aqueous liquid treatment for metals, especially aluminum, that imparts corrosion resistance as good as that from conventional chromate containing...
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6852369 |
Method for prevention of solid dissolution through covalent ligand bonding
Methods for preventing dissolution of solid substrates, such as metal leaching from coal or corrosion of metal surfaces, are provided. The method comprises coating the solid substrate with a...
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6794046 |
Chemically passivated object made of magnesium or alloys thereof
An article made of magnesium or its alloys, some or all of whose surface has a conversion coating, the conversion coating comprising MgO, Mn 2 O 3 and MnO 2 plus at least one oxide from the group...
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6773516 |
Process and solution for providing a conversion coating on a metallic surface I
An aqueous acidic solution for forming a rare earth element containing conversion coating on the surface of a metal, said solution being chromate-free and including effective quantities of at least...
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6767413 |
Metal surface treating agent
The present invention provides a non-chromium metal surface treating agent which has excellent adhesion with a coating and corrosion resistance, and also has excellent workability and stability. A...
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6764553 |
Conversion coating compositions
Corrosion resistant, hydrophilic coatings on the surface of aluminum and aluminum alloys may be formed using aqueous compositions containing fluorometallates such as H 2 TiF 6 or H 2 ZrF 6 and...
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6755918 |
Method for treating magnesium alloy by chemical conversion
The present invention discloses a method for treating magnesium alloys by chemical conversion. This method can improve corrosion resistance and paint adhesion of magnesium alloys, and produces an...
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6753039 |
Electrolytic and electroless process for treating metallic surfaces and products formed thereby
The disclosure relates to an electroless or electrolytic process for treating metallic surfaces. The process employs a medium comprising at least one oxygen containing water soluble compound (e.g.,...
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6752878 |
Process for treating adhesion promoted metal surfaces
A method for treating a micro-roughened metal surface to improve bonding between the metal surface and a polymer material. The method involves post-treating the micro-roughened conversion coated...
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6746547 |
Methods and compositions for oxide production on copper
The invention features and methods and compositions for oxide production on a Copper substrate, e.g., a Copper or Copper alloy substrate, to provide for improved adhesion of Copper substrate to...
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6740361 |
Passivating of zinc surfaces
A method for coating zinc or zinc plated article with a polymerized molybdate protective coating by coating a cleaned zinc or zinc plated article with a chromium-free polymerized molybdate...
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6733837 |
Process for painting metal parts
A method including forming a first layer comprising a chemical conversion coating on a metal surface; and forming a second layer on the first layer through a sol gel process. An apparatus including...
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6673164 |
Method of minimizing environmental effect in aluminides
A method of cold fabricating an intermetallic alloy composition, comprising steps of coating an article of an intermetallic alloy composition with a viscous medium which provides a moisture...
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6656294 |
Method of reducing elution of lead in lead-containing copper alloy, and drinking water service fittings made of lead-containing copper alloy
It is an object of the present invention to provide a processing method for preventing elution of lead in a lead-containing copper alloy to prevent lead from eluting from a faucet metal, etc. made...
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6652669 |
Method for producing an ultraphobic surface on an aluminum base
The invention relates to a method for producing an ultraphobic surface on aluminium as the supporting material and to the resulting surface and its use. According to said method, the surface of an...
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6648986 |
Stability additive for trivalent chrome conversion coating bath solutions
An acidic aqueous solution containing a water soluble trivalent chromium compound is provided with a solution stability additive for reducing precipitation of trivalent chromium over time. The...
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6638369 |
Non-chromate conversion coatings
A non-chromate conversion coating and method of applying same wherein the coating comprises a titanate, such as potassium titanate or sodium metatitanate, as a “drop-in replacement” for a...
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6613387 |
Protective reaction rinse for autodeposition coatings
The anticorrosive properties of a coating autodeposited on a metal substrate are improved by contacting the autodeposited coating with an aqueous solution containing Group IIA or Group IIB metal...
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6607587 |
Anticorrosive coating material and method of rust prevention
The present invention provides a non-chromium anticorrosive coatings suitable for metal materials comprising 0.2 to 50 g of a thiocarbonyl group-containing compound and 50 to 500 g of a...
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6605161 |
Inoculants for intermetallic layer
A deposition process including applying an inoculant to at least a portion of the surface of a metal component, and then forming an intermetallic layer at the inoculant surface, such as by exposing...
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6596097 |
Method of coating a metal substrate with a radioactive layer
A method for the immobilization of a radioactive anion on the surface of a metal substrate, said method comprising treating the substrate with an oxidizing agent in the presence of a solution of a...
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